. >>> former senator chuck hagel is grilled by fellow republicans during his confirmation hearings to be the next defense secretary. he defended his stances on israel and iran. lawmaker brought up a study he co-authored last year from a group that support the elimination of nuclear weapons. the hearing got heated at one point. >> i would like the answer whether you are right or wrong and then you are free to elaborate. >> i'm not going to give you a yes or no answer on a lot of things today. >> you refuse to answer that question. i would like an answer, yes or no. >> well, i'm not going to give you a yes or no. i think it is far more complicated than that. my answer is i'll defer that judgment to history. i am fully committed to the president's goal of preventing iran from obtaining a nuclear weapon. as i have been on record on that issue, as i have said on the past many times, all occupations must be on the tagliabue to achieve that goal. >> hagel is expected to be confirmed as the next defense secretary despite the republican opposition. >>> up next, the ravens are ready. we are goi